96 XJ 4.6 swapped into a 98 TJ 2.5: what needs to be done to make it work

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UNDEADxIAN
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96 XJ 4.6 swapped into a 98 TJ 2.5: what needs to be done to make it work

Post by UNDEADxIAN »

I have a 98 TJ 2.5 with a manual trans, that is my daily. I also have a 96 XJ Country with a HO 4.0 with auto trans that I was considering using as the donor to stroke and swap into my TJ. I have purchased a 98 TJ Safari 4.0 with auto ECM to use for this potential swap. Will that that ECM run the 96 engine?
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Cheromaniac
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Re: 96 XJ 4.6 swapped into a 98 TJ 2.5: what needs to be done to make it work

Post by Cheromaniac »

The '98 PCM will indeed run the '96 engine and as long as you swap engine, tranny, plus all the electronics into your 2.5 TJ, everything should work fine.
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Brianj5600
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Re: 96 XJ 4.6 swapped into a 98 TJ 2.5: what needs to be done to make it work

Post by Brianj5600 »

Look into what it takes to do a 4 cylinder to 6 cylinder swap. Also there some differences in block mounting points.
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SkylinesSuck
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Re: 96 XJ 4.6 swapped into a 98 TJ 2.5: what needs to be done to make it work

Post by SkylinesSuck »

You will at the very least need to chop the motor mounts off the frame and weld new ones on. Not sure if that's a non-starter for you. Personally, if I were going to go to that trouble, I'd probably just do a Magnum v8 swap.
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Re: 96 XJ 4.6 swapped into a 98 TJ 2.5: what needs to be done to make it work

Post by Cheromaniac »

Better still, a 392 Hemi swap or even a Hellcat engine swap. :D
1992 XJ 4.6 I6 - 5MT - Stroker build-up, Stroker "recipes" Sold
1995 Mustang GT - 4AT - Modded Sold
2006 Mustang GT - 5MT - Modded Midlife Crisis Car :mrgreen:
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